About Me: Started at Pennington County Highway Department as a Seasonal Flagger while going to college. Graduated from college in 1999 at B.H.S.U.

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Randall Osborne
6 years ago
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3 About Me: Started at Pennington County Highway Department as a Seasonal Flagger while going to college Graduated from college in 1999 at B.H.S.U. Hired as a Maintenance Worker and Equipment Operator in 2000 Transferred into Traffic Operations in 2005 to current Started using GIS (ArcView 9.0) for the mapping of our traffic signs. Thanks Don! Had no prior GIS experience; learned by trial and error This is my 1 st attempt at a Power Point, so bear with me 3

4 What is this presentation about? 4

5 Why Did We Collect Culvert Data? Asset Management - GASB 34. GASB stands for Governmental Accounting Standards Board. In June 1999, GASB 34 was published. GASB 34 requires state and local governments to begin reporting all financial transactions, including the value of their infrastructure assets, roads, bridges, water and sewer facilities, and dams, in their annual financial reports on an accrual accounting basis. SD Codified Law Inspection of township culverts -- Duty of board of supervisors. The township board of supervisors shall have each culvert on the secondary highways within the township annually inspected and, if necessary, repaired. SD Codified Law Inspection of culverts on secondary highways and county highway system -- Duty of county highway superintendent. The county highway superintendent shall make inspection of all culverts on secondary highways other than those described in and of all culverts on the county highway system and report to the board of county commissioners, which shall cause necessary repairs to be made. 5

6 What Equipment Did We Use To Collect Culvert Data? Garmin etrex 10 - G.P.S. - $96.89 (Amazon.com) Digital Camera $100 or less (we had some) 100 Tape Measure FREE! (Engineering Dept.) Log Book For Recording Culvert Information (printed out recording sheets and placed in binder, so they stay in order and did not get lost) Employees 6

You will know the GPS has acquired a location on the map screen because the will change to the pointer, or the compass screen will not be empty and fill to a pointer. 5.

7 GPS MARKING INSTRUCTIONS 1. Turn on GPS by pressing and holding the LIGHT button. 2. Use the TOGGLE button to select the MAP menu or COMPASS menu. 3. Wait for a minute for the GPS to acquire its current location. 4. You will know the GPS has acquired a location on the map screen because the will change to the pointer, or the compass screen will not be empty and fill to a pointer. 5. To mark a sign location you need to press and hold the TOGGLE button on either the MAP or the COMPASS screen, or press the MENU button on the side of the GPS and then use the TOGGLE button to select the MARK WAYPOINT on the menu screen. 6. Write down the Location information on the recording sheet. 7. Use the TOGGLE button to select MAP or DONE after you write down the waypoint information. 8. Press the BACK button on the side of the GPS if you did not want to mark that location. MENU SCREEN COMPASS SCREEN 7

8 Recording Sheets In Binder 8

9 What Computer Software Did We Use To Examine Our Culvert Data? ESRI ArcGIS 10.0 Supplied by City of Rapid City GIS Department Garmin Basecamp FREE! DNR Garmin FREE! ons/dnrgarmin/dnrgarmin.html 9

10 What Data Did We Collect? Culvert Material Culvert Type Inlet/Outlet End Treatment Opening Condition Inlet/Outlet Streambed Material Slope Condition Damage Debris Roadway Settlement 10

11 What Data Did We Collect? (cont.) Shoulder Deteriorating End Separation Skewed To Roadway Signage (Markings) Measurements Diameter, Total Length Of Culvert Inspector Extra Notes (Information that was not on the sheets as choices. We came up with a lot of information we did not have) 11

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13 Collecting Culvert Data Marking a culvert waypoint in the GPS at the road center 13

14 Collecting Culvert Data (cont.) Measuring the roadway length Measuring edge of roadway to the culvert end 14

15 Collecting Culvert Data (cont.) Measuring the opening Recording data 15

16 Data Collected; Now What? The employees turn in the collected G.P.S. data and cameras to the office to download every day or every second day of collection (inspected about 50 to 100 culverts a day and inlet/outlet pictures for each culvert). We created Geodatabase Feature Classes with the choices from the data recording sheets; tried to keep the format consistent with the recording sheets. We created folders in our server to organize data that backed up nightly; not good if data is lost. 16

17 Culvert Feature Classes Created 4 separate Geodatabases and templates for each Region/Division (Rapid City Area, Hill City Area, New Underwood Area, and Wall Area) Regions Hill City Division New Underwood Division Rapid City Division Wall Division 17

18 Downloading GPS Waypoint Data Connect the GPS to computer using a USB cable Open Garmin Basecamp software All collected waypoints are displayed in TOC area and on the map 18

19 Select all waypoints Export selection Save waypoints in the native Garmin format which is.gpx Open the DNR Garmin software 19

20 Minnesota DNR Garmin Does not look like much, but it works well 20

21 Load.gpx file saved from Garmin Basecamp Loadable formats are: Arcview Shapefile (*.shp) Dbase IV (*.dbf) Text File (*.txt) Google Earth Format (*.kml) GPS exchange Format (*.gpx) Lowrance Export Text File (*.txt) 21

22 .gpx file loaded into DNR Garmin Finally, we save the file once again as ArcView Shapefile (*.shp) 22

23 Open our Culvert Data map GPS Data Into ArcMap Add Data add our shapefile from our downloaded GPS data 23

24 Create Feature Class from.shp Data Select our layer and open the table Add a Field called WAYPOINT, used for loading data into the template and we have to convert our IDENT field (integer) to a TEXT field 24

Use the Field Calculator to get the IDENT field data to the WAYPOINT field Close the table and remove our GPS shapefile from the map Open ArcCatalog and find the templates we made for importing

25 Use the Field Calculator to get the IDENT field data to the WAYPOINT field Close the table and remove our GPS shapefile from the map Open ArcCatalog and find the templates we made for importing data Copy and paste the Culvert Template file We found this to be the easiest way to import the data multiple times, for multiple feature classes. If you notice we have a bunch of files we imported. 25

shp into the feature class template You now have to match the

26 Rename the pasted file Right-click on the new pasted file, and choose Load Data By choosing Load Data, you can load the *.shp into the feature class template You now have to match the fields with each other so the imported data gets placed in the correct fields 26

27 An inspection sheet that has been filled out with culvert data. If waypoint data was incorrect on G.P.S, we had inspectors also write in the location data as a backup. Most of the information is circled for easy and accurate data collection. 27

entry Most of the data entry is in list box form, so it

28 Culvert Data Entry Entering the data into the feature class Text fields or fields calculated at the end of data entry Most of the data entry is in list box form, so it is very easy to enter in data with very few typing mistakes 28

29 After the data has been entered, the feature is snapped to the County Road Empty fields are calculated with Field Calculator Enter the Hyperlink field into the layer properties, so the pictures of the culverts appear with the culverts for quick reference 29

30 Creating Culvert ID s We collected a lot of culvert waypoints. Then we decided we needed a unique ID for each culvert. This way we can find the specific culvert and track maintenance on them. We decided to use a mileage based ID like we have for our traffic signs. We did not want to measure each one manually. I used the Linear Referencing Tools for that process. By having the culverts snapped to our County Roads layer with each county road having specific ID s, I was able to generate ID s based on our county roads layer and a starting point for the specific road. I create the routes for each region of the county based upon our different regional divisions. I combined all the culverts to one feature class based on the regional divisions. I then ran the Locate Features Along Routes tool in ArcCatalog to generate a mileage for each culvert. 30

31 Routes with symbology showing an arrowhead at end of the route 31

32 Locate Features Along Routes tool 32

33 Now I have a results table: I calculated the Odometer field by dividing the MEAS field by 5,280, to get miles. I combined the RID (County Road ID) and the Odometer fields to get the Culvert Number, which is the unique ID for the culverts. Then in ArcMap, I joined this table to the culverts using the Way Point field for the area I located, and then did a field calculation for the Culvert Number in the culverts feature class. 33

34 Problems and Challenges!!! The green dots should be culverts marked in the Hill City Area. They are marked in the Box Elder Area. What happened? 34

35 Problems and Challenges!!! (cont.) Employees using a GPS: never used one before, and not wanting to learn how to use one Employees taking pictures standing on top of the culvert ends instead of a distance shot that is useful Not filling out recording sheets completely Writing down incorrect numbers and information; getting one picture number out of order equals a big problem Needing additional choices on recording sheets; we thought we had all the choices listed until people started to inspect them 35

36 Problems and Challenges!!! (cont.) Foremen not explaining how to inventory correctly; crews measured how much culvert was out of the ground instead of entire length Keeping data updated; crews not turning in recording sheets for ongoing maintenance Missing culverts when inspecting, that were not marked with markers Inconsistent results; different people and groups every time out. Fill in project for employees Data getting deleted before it was saved 36

37 Why is there a culvert waypoint marked here? Canyon Lake Dr. is not a County maintained road. 37

38 Do not mark your location in the GPS when you are at lunch at DAIRY QUEEN!! 38

39 Final Results Inventoried 3,238 culverts on Pennington County maintained roads. Foremen in each division can do repairs and maintenance on culverts after doing queries for specific jobs like: Repairing damaged ends from mowers or vehicles Cleaning out plugged culverts for drainage to help prevent roads from flooding on large rain events Knowing the diameter size and length of a culvert to take to a project when replacing an entire culvert Adding or replacing stream bed material to help with erosion Installing end extensions on culverts that are too close to the road edge 39

40 Final Results: Map And Pictures Using A Hyperlink 40

41 Using the hyperlink function in ArcMap to quickly display the culvert pictures 41

42 Looking Into The Future? We started doing maintenance on culverts that have maintenance issues. We tried to use ESRI s ARCGIS Online cloud for maps for other divisions, but it was hard to keep it updated and make good printed maps. The other divisions started using the remote desktop function to view current updated maps. (IT had to setup) We need to create an inspection cycle, 4 divisions, every 4 years? We need to finish with delineation and signage for each culvert. 42

43 Looking Into The Future? (cont.) We have updated our GPS s and cameras, which geo-tag photos. We need to export our data into Highway Department database. IT needs to do programming. Smart phone apps? ESRI has developed apps for the Iphone and Android platforms. 43

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Esri Roads and Highways An Introduction

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